import java.util.*;

public class HelloWorld
{
	public static void main(String[] args)
	{
		System.out.println("Welcome to Mabel's HelloWorld Review Program");
		System.out.println();

		System.out.print("Who are you? ");
		Scanner input = new Scanner(System.in);
		String name = input.nextLine();
		System.out.println();

		System.out.println("Hello, " + name + "!");
		System.out.println();
	}
}